diff --git a/infra/README.org b/infra/README.org
index 80cbd01..d426a0d 100644
--- a/infra/README.org
+++ b/infra/README.org
@@ -7,7 +7,20 @@ Their configuration can be updated via NixOps4. Run
 nixops4 deployments list
 #+end_src
 
-to see the available deployments. Given a deployment (eg. ~git~), run
+to see the available deployments. This should be done from the root of the
+repository, otherwise NixOps4 will fail with something like:
+
+#+begin_src
+nixops4 error: evaluation: error:
+       … while calling the 'getFlake' builtin
+
+       error: path '/nix/store/05nn7krhvi8wkcyl6bsysznlv60g5rrf-source/flake.nix' does not exist, evaluation: error:
+       … while calling the 'getFlake' builtin
+
+       error: path '/nix/store/05nn7krhvi8wkcyl6bsysznlv60g5rrf-source/flake.nix' does not exist
+#+end_src
+
+Then, given a deployment (eg. ~git~), run
 
 #+begin_src sh
 nixops4 apply <deployment>